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OPTIMOD-PC
preliminary AGC internal to OPTIMOD-PC. If you are using an external
AGC device (such as an Orban 6300 multipurpose audio processor or an-
other OPTIMOD-PC) in front of OPTIMOD-PC, set OPTIMOD-PC's internal
AGC to D
not "fight" each other and that they do not simultaneously increase gain
(resulting in increased noise).
If you are using an Orban 4000 Transmission Limiter, set the AGC to
E
NABLED
The Orban 4000 is a transmission system overload protection device; it is
normally operated below threshold. It is not designed to perform an AGC
or gain-riding function and it cannot substitute for the AGC function in
OPTIMOD-PC.
Temporarily set AGC to E
erence level alignment steps (below) will work correctly. After you have
finished with these steps, set the AGC parameter appropriately for your
installation.
D) Set the Processing Delay.
[Minimum], [30 fps], [29.97 fps], [25 fps], [24 fps], [24-57 ms]
OPTIMOD-PC can add time delay to make its input/output delay exactly
one frame, using a variety of different standards. The selections are
(depends on software version; typically between 14 and 24 ms),
M
INIMUM
24 milliseconds, 30 fps, 29.97 fps (NTSC color video), 25 fps (most PAL
video), and 24 fps (film).
You can also choose delay in one-millisecond intervals from 24 to 60 milli-
. This is to ensure that the internal and external AGCs do
ISABLED
(so that the AGC function in OPTIMOD-PC continues to work).
so that the Analog and Digital Input ref-
NABLED
Figure 2-6: Configuration Page in the I/O Mixer
2-21
INSTALLATION
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